Home 9 FAQs 9 MannXtra


MannXtra is a medical food designed for the dietary management of patients with congenital disorders of glycosylation (CDG), such as Phosphoglucomutase 1b (PGM 1b) deficiency. MannXtra is a 100% pure, concentrated source of mannose in a soluble, enteric powder. You can learn more by reading the FAQs outlined on this page.

Available for purchase only on behalf of individuals under medical supervision and current medical care, MannXtra is allergen-tested at no detectable level (NDL) for eggs, dairy, fish, crustacean, soy, gluten, corn, tree nuts, and peanut. It is also free of GMOs, artificial flavorings, and preservatives.

Solace Nutrition realizes that in many cases, especially when using our medical foods for managing specific medical conditions, more in-depth knowledge may be required. Please contact our experienced customer service team immediately if this applies. We are happy to work with you one-on-one to assist with utilizing MannXtra most effectively for each individual patient.

How much MannXtra powder should I take each day?

Daily intake should be determined by your healthcare professional specializing in mitochondrial or metabolic disorders. Dosing is based on age, body weight and the metabolic condition of the patient.

What type of Mannose is used in MannXtra?

MannXtra contains 100% concentrated Mannose powder.

How much MannXtra is in one bottle?

Each bottle contains 300 grams of powder.

Is there a scoop in the bottle?

Yes, each bottle contains a scoop that delivers 4.5 grams of Mannose.

Does MannXtra contain allergens?

It is allergen tested at No Detectable Limit (NDL) for egg, milk, fish, crustacean, corn, gluten, soy, tree nuts, and peanut. It’s also GMO-free.

How should I consume MannXtra?

Using the scoop, measure the recommended amount of MannXtra. Consume directly by mouth or add to juices, beverages or sprinkle on top of or mix with food. It also may be added to tube feeding formulas.

How does MannXtra taste?

It is sweet tasting.

Can MannXtra be tube fed?

Yes, the powder is soluble and will readily suspend in formulas, when properly blended.

How should MannXtra be stored?

Unopened bottles should be kept in a cool, dry place. Reseal opened bottles, store in a cool location and use within 3 months

What are the ingredients in MannXtra?

It contains only Mannose powder.

Is MannXtra nutritionally complete?

No, it contains only Mannose. It is not a source of vitamins and minerals or proper balance of macronutrients. MannXtra should not be used as a sole source of nutrition.

Does MannXtra contain calories?

Yes, MannXtra contains carbohydrates. Each gram of powder contains 4 kcal from 1 g of carbohydrate.

Does MannXtra contain other additives?

No, it is free from additives, preservatives, flavorings, & GMOs.